FAIRMOUNT SANTROL HOLDINGS INC. COMMON STOCK, PAR VALUE $0.01 PER SHARE UNDERWRITING AGREEMENT

Exhibit 1.1

Execution Version

20,000,000

FAIRMOUNT SANTROL HOLDINGS INC.

COMMON STOCK, PAR VALUE $0.01 PER SHARE

UNDERWRITING AGREEMENT

December 1, 2016

Xxxxxx Xxxxxxx & Co. LLC

0000 Xxxxxxxx

Xxx Xxxx, Xxx Xxxx 00000

Ladies and Gentlemen:

The shareholder of Fairmount Santrol Holdings Inc., a Delaware corporation (the “Company”), named in Schedule I hereto (the “Selling Shareholder”), proposes to sell to Xxxxxx Xxxxxxx & Co. LLC (the “Underwriter”), the number of shares of its common stock, par value $0.01 per share, set forth in Schedule I hereto (the “Firm Shares”). The Selling Shareholder also proposes to sell to the Underwriter not more than the number of additional shares of its common stock, par value $0.01 per share, set forth in Schedule I hereto (the “Additional Shares”) if and to the extent that you shall have determined to exercise, the right to purchase such shares of common stock granted to the Underwriter in Section 3 hereof. The Firm Shares and the Additional Shares are hereinafter collectively referred to as the “Shares.” The shares of common stock, par value $0.01 per share, of the Company to be outstanding after giving effect to the sales contemplated hereby are hereinafter referred to as the “Common Stock.”

The Company has filed with the Securities and Exchange Commission (the “Commission”) a registration statement, including a prospectus, (the file number of which is set forth in Schedule I hereto) on Form S-3, relating to securities of the Company (the “Shelf Securities”), including the Shares. The registration statement as amended to the date of this Agreement, including the information (if any) deemed to be part of the registration statement at the time of effectiveness pursuant to Rule 430A or Rule 430B under the Securities Act of 1933, as amended (the “Securities Act”), is hereinafter referred to as the “Registration Statement”, and the related prospectus covering the Shelf Securities dated December 1, 2016 in the form first used to confirm sales of the Shares (or in the form first made available to the Underwriter by the Company to meet requests of purchasers pursuant to Rule 173 under the Securities Act) is hereinafter referred to as the “Basic Prospectus.” The Basic Prospectus, as supplemented by the prospectus supplement specifically relating to the Shares in the form first used to confirm sales of the Shares (or in the form first made available to the Underwriter by the Company to meet requests of purchasers pursuant to Rule 173 under the Securities Act) is hereinafter referred to as the “Prospectus,” and the term “preliminary prospectus” means any preliminary form of the Prospectus. For purposes of this Agreement, “free writing prospectus” has the meaning set forth in Rule 405 under the Securities Act, “Time of Sale Prospectus” means the documents and pricing information set forth opposite the caption “Time of Sale Prospectus” in Schedule I hereto, and “broadly available road show” means a “bona fide electronic road show” as defined in Rule 433(h)(5) under the Securities Act that has been made available without restriction to any person.

As used herein, the terms “Registration Statement,” “Basic Prospectus,” “preliminary prospectus,” “Time of Sale Prospectus” and “Prospectus” shall include the documents, if any, incorporated by reference therein as of the date hereof. The terms “supplement,” “amendment,” and “amend” as used herein with respect to the Registration Statement, the Basic Prospectus, the Time of Sale Prospectus, any preliminary prospectus or the Prospectus shall include all documents subsequently filed by the Company with the Commission pursuant to the Securities Exchange Act of 1934, as amended (the “Exchange Act”), that are deemed to be incorporated by reference therein.

1. Representations and Warranties of the Company. The Company represents and warrants to and agrees with the Underwriter that:

(a) The Registration Statement has become effective under the Securities Act; no stop order suspending the effectiveness of the Registration Statement is in effect, and no proceedings for such purpose are pending before or, to the knowledge of the Company, threatened by the Commission.

(b) (i) Each document, if any, filed or to be filed pursuant to the Exchange Act and incorporated by reference in the Time of Sale Prospectus or the Prospectus complied or will comply when so filed (and in the case of the Form 10-K for the year ended December 31, 2015, as amended by a Form 10-K/A) in all material respects with the Exchange Act and the applicable rules and regulations of the Commission thereunder, (ii) each part of the Registration Statement, when such part became effective, did not contain, and each such part, as amended or supplemented, if applicable, will not contain any untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading, (iii) the Registration Statement as of the date hereof does not contain any untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading, (iv) the Registration Statement and the Prospectus comply, and as amended or supplemented, if applicable, will comply in all material respects with the Securities Act and the applicable rules and regulations of the Commission thereunder, (v) the Time of Sale Prospectus does not, and at the time of each sale of the Shares in connection with the offering when the Prospectus is not yet available to prospective purchasers and at the Closing Date (as defined in Section 5), the Time of Sale Prospectus, as then amended or supplemented by the Company, if applicable, will not, contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading, (vi) each broadly available road show, if any, when considered together with the Time of Sale Prospectus, does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading and (vii) the Prospectus does not contain and, as amended or supplemented, if applicable, will not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading, except that the representations and warranties set forth in this paragraph do not apply to statements or omissions in the Registration Statement, the Time of Sale Prospectus or the Prospectus based upon information relating to the Underwriter furnished to the Company in writing by the Underwriter expressly for use therein.

(c) The Company is not an “ineligible issuer” in connection with the offering pursuant to Rules 164, 405 and 433 under the Securities Act. Any free writing prospectus that the Company is required to file pursuant to Rule 433(d) under the Securities Act has been, or will be, filed with the Commission in accordance with the requirements of the Securities Act and the applicable rules and regulations of the Commission thereunder. Each free writing prospectus that the Company has filed, or is required to file, pursuant to Rule 433(d) under the Securities Act or that was prepared by or on behalf of or used or referred to by the Company complies or will comply in all material respects with the requirements of the Securities Act and the applicable rules and regulations of the Commission thereunder. Except for the free writing prospectuses, if any, identified in Schedule I hereto forming part of the Time of Sale Prospectus, and electronic road shows, if any, each furnished to you before first use, the Company has not prepared, used or referred to, and will not, without your prior consent, prepare, use or refer to, any free writing prospectus.

(d) The Company has been duly incorporated, is validly existing as a corporation in good standing under the laws of the jurisdiction of its incorporation, has the corporate power and authority to own its property and to conduct its business as described in the Time of Sale Prospectus and is duly qualified to transact business and is in good standing in each jurisdiction in which the conduct of its business or its ownership or leasing of property requires such qualification, except to the extent that the failure to be so qualified or be in good standing would not have a material adverse effect on the Company and its subsidiaries, taken as a whole.

(e) Each subsidiary of the Company has been duly incorporated or formed, is validly existing as a corporation or other business entity in good standing under the laws of the jurisdiction of its incorporation or organization, has the corporate or other power and authority to own its property and to conduct its business as described in the Time of Sale Prospectus and is duly qualified to transact business and is in good standing in each jurisdiction in which the conduct of its business or its ownership or leasing of property requires such qualification, except to the extent that the failure to be so qualified or be in good standing would not have a material adverse effect on the Company and its subsidiaries, taken as a whole; all of the issued shares of capital stock of each subsidiary of the Company have been duly and validly authorized and issued, are fully paid and non-assessable and are owned directly or indirectly by the Company, free and clear of all liens, encumbrances, equities or claims.

(f) This Agreement has been duly authorized, executed and delivered by the Company.

(g) The authorized capital stock of the Company conforms as to legal matters to the description thereof contained in each of the Time of Sale Prospectus and the Prospectus.

(h) [Reserved].

(i) The Shares of Common Stock (including the Shares to be sold by the Selling Shareholder) have been duly authorized, validly issued and are fully paid and non-assessable, and the sale of such Shares by the Selling Shareholder will not be subject to any preemptive or similar rights.

(j) The execution and delivery by the Company of, and the performance by the Company of its obligations under, this Agreement will not contravene (i) any provision of applicable law, (ii) the certificate of incorporation or by-laws of the Company, (iii) any agreement or other instrument binding upon the Company or any of its subsidiaries that is material to the Company and its subsidiaries, taken as a whole, or (iv) any judgment, order or decree of any governmental body, agency or court having jurisdiction over the Company or any subsidiary, except, with respect to clauses (i), (iii) and (iv), to the extent that such contravention would not reasonably be expected to have a material adverse effect on the Company and its subsidiaries, taken as a whole, or a material adverse effect on the ability of the Company to perform its obligations under this Agreement, and no consent, approval, authorization or order of, or qualification with, any governmental body or agency is required for the performance by the Company of its obligations under this Agreement, except such as may be required by the securities or Blue Sky laws of the various states in connection with the offer and sale of the Shares.

(k) There has not occurred any material adverse change, or any development involving a prospective material adverse change, in the condition, financial or otherwise, or in the earnings, business or operations of the Company and its subsidiaries, taken as a whole, from that set forth in the Time of Sale Prospectus.

(l) There are no legal or governmental proceedings pending or, to the Company’s knowledge, threatened to which the Company or any of its subsidiaries is a party or to which any of the properties of the Company or any of its subsidiaries is subject (i) other than proceedings accurately described in all material respects in the Time of Sale Prospectus and proceedings that would not be reasonably expected to have a material adverse effect on the Company and its subsidiaries, taken as a whole, or on the power or ability of the Company to perform its obligations under this Agreement or to consummate the transactions contemplated by the Time of Sale Prospectus or (ii) that are required to be described in the Registration Statement or the Prospectus and are not so described; and there are no statutes, regulations, contracts or other documents that are required to be described in the Registration Statement or the Prospectus or to be filed as exhibits to the Registration Statement that are not described or filed as required.

(m) Each preliminary prospectus filed as part of the registration statement as originally filed or as part of any amendment thereto, or filed pursuant to Rule 424 under the Securities Act, complied when so filed in all material respects with the Securities Act and the applicable rules and regulations of the Commission thereunder.

(n) The Company is not, and after giving effect to the offering and sale of the Shares and the application of the proceeds thereof as described in the Prospectus will not be, required to register as an “investment company” as such term is defined in the Investment Company Act of 1940, as amended.

(o) The Company and its subsidiaries (i) are in compliance with any and all applicable foreign, federal, state and local laws and regulations relating to the protection of human health and safety, the environment or hazardous or toxic substances or wastes, pollutants or contaminants (“Environmental Laws”), (ii) have received all permits, licenses or other approvals required of them under applicable Environmental Laws to conduct their respective businesses and (iii) are in compliance with all terms and conditions of any such permit, license or approval, except where such noncompliance with Environmental Laws, failure to receive required permits, licenses or other approvals or failure to comply with the terms and conditions of such permits, licenses or approvals would not, singly or in the aggregate, reasonably be expected to have a material adverse effect on the Company and its subsidiaries, taken as a whole.

(p) There are no costs or liabilities associated with Environmental Laws (including, without limitation, any capital or operating expenditures required for clean-up, closure of properties or compliance with Environmental Laws or any permit, license or approval, any related constraints on operating activities and any potential liabilities to third parties) which would, singly or in the aggregate, reasonably be expected to have a material adverse effect on the Company and its subsidiaries, taken as a whole.

(q) Except as described in the Time of Sale Prospectus, there are no contracts, agreements or understandings between the Company and any person granting such person the right to require the Company to file a registration statement under the Securities Act with respect to any securities of the Company or to require the Company to include such securities with the Shares registered pursuant to the Registration Statement, except as have been satisfied or waived.

(r) Neither the Company nor any of its subsidiaries or controlled affiliates, nor any director, employee or officer, nor, to the Company’s knowledge, any agent or representative of the Company or of any of its subsidiaries or controlled affiliates, has (i) taken or will take any action in furtherance of an offer, payment, promise to pay, authorization or approval of the unlawful payment or giving of money, property, gifts or anything else of value, directly or indirectly, to any government official (including any officer or employee of a government or government-owned or controlled entity or of a public international organization, or any person acting in an official capacity for or on behalf of any of the foregoing, or any political party or party official or candidate for political office) to influence official action or secure an improper advantage or (ii) violated or is in violation of any provision of the Foreign Corrupt Practices Act of 1977 or any applicable law or regulation implementing the OECD Convention on Combating Bribery of Foreign Public Officials in International Business Transactions, or committed an offence under the Bribery Act of 2010 of the United Kingdom, or other applicable anti-bribery or anti-corruption law; and the Company and its subsidiaries and controlled affiliates have conducted their businesses in compliance with applicable anti-corruption laws and have instituted and maintained and will continue to maintain policies and procedures designed to promote and achieve compliance with such laws and with the representation and warranty contained herein.

(s) The operations of the Company and its subsidiaries are and have been conducted at all times in material compliance with all applicable financial recordkeeping and reporting requirements, including those of the Bank Secrecy Act, as amended by Title III of the Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act of 2001 (USA PATRIOT Act), and the applicable anti-money laundering statutes of jurisdictions where the Company and its subsidiaries conduct business, the rules and regulations thereunder and any related or similar rules, regulations or guidelines, issued, administered or enforced by any governmental agency (collectively, the “Anti-Money Laundering Laws”), and no action, suit or proceeding by or before any court or governmental agency, authority or body or any arbitrator involving the Company or any of its subsidiaries with respect to the Anti-Money Laundering Laws is pending or, to the best knowledge of the Company, threatened.

(t) (i) Neither the Company nor any of its subsidiaries, nor any director or officer thereof, nor, to the Company’s knowledge, any employee, agent, controlled affiliate or representative of the Company or any of its subsidiaries, is an individual or entity (“Person”) that is, or is owned or controlled by a Person that is:

(A) the subject of any sanctions administered or enforced by the U.S. Department of Treasury’s Office of Foreign Assets Control (“OFAC”) , the United Nations Security Council (“UNSC”), the European Union (“EU”), Her Majesty’s Treasury (“HMT”), or other relevant sanctions authority (collectively, “Sanctions”), nor

(B) located, organized or resident in a country or territory that is the subject of Sanctions (including, without limitation, Cuba, Iran, North Korea, Sudan and Syria).

(ii) The Company will not, directly or indirectly, use the proceeds of the offering, or lend, contribute or otherwise make available such proceeds to any subsidiary, joint venture partner or other Person:

(A) to fund or facilitate any activities or business of or with any Person or in any country or territory that, at the time of such funding or facilitation, is the subject of Sanctions; or

(B) in any other manner that will result in a violation of Sanctions by any Person (including any Person participating in the offering, whether as underwriter, advisor, investor or otherwise).

(iii) For the past 5 years, the Company and its subsidiaries have not knowingly engaged in, are not now knowingly engaged in, and will not engage in, any dealings or transactions with any Person, or in any country or territory, that at the time of the dealing or transaction is or was the subject of Sanctions.

(u) Subsequent to the respective dates as of which information is given in each of the Registration Statement, the Time of Sale Prospectus and the Prospectus, (i) the Company and its subsidiaries, taken as a whole, have not incurred any material liability or obligation, direct or contingent, nor entered into any material transaction; (ii) the Company has not purchased any of its outstanding capital stock, nor declared, paid or otherwise made any dividend or distribution of any kind on its capital stock other than ordinary and customary dividends; and (iii) there has not been any material adverse change in the capital stock, short-term debt or long-term debt of the Company and its subsidiaries, taken as a whole, except in each case as described in each of the Registration Statement, the Time of Sale Prospectus and the Prospectus, respectively.

(v) The Company and its subsidiaries have good and marketable title to all real property and personal property owned by them which is material to the business of the Company and its subsidiaries, taken as a whole, in each case free and clear of all liens, encumbrances and defects except such as are described in the Time of Sale Prospectus or such as do not materially affect the value of such property and do not materially interfere with the use made and proposed to be made of such property by the Company and its subsidiaries; and any real property and buildings held under lease by the Company and its subsidiaries are held by them under valid, subsisting and enforceable leases with such exceptions as are not material and do not materially interfere with the use made and proposed to be made of such property and buildings by the Company and its subsidiaries, in each case except as described in the Time of Sale Prospectus.

(w) The Company and its subsidiaries own or possess, or can acquire on reasonable terms, all material patents, patent rights, licenses, inventions, copyrights, know-how (including trade secrets and other unpatented and/or unpatentable proprietary or confidential information, systems or procedures), trademarks, service marks and trade names currently employed by them in connection with the business now operated by them, and neither the Company nor any of its subsidiaries has received any notice of infringement of or conflict with asserted rights of others with respect to any of the foregoing which, singly or in the aggregate, if the subject of an unfavorable decision, ruling or finding, would reasonably be expected to have a material adverse effect on the Company and its subsidiaries, taken as a whole.

(x) No material labor dispute with the employees of the Company or any of its subsidiaries exists, except as described in the Time of Sale Prospectus, or, to the knowledge of the Company, is imminent; and the Company is not aware of any existing, threatened or imminent labor disturbance by the employees of any of its suppliers, manufacturers or contractors that could have a material adverse effect on the Company and its subsidiaries, taken as a whole.

(y) The Company and its subsidiaries are insured by insurers of recognized financial responsibility against such losses and risks and in such amounts as are prudent and customary in the businesses in which they are engaged; neither the Company nor any of its subsidiaries has been refused any insurance coverage sought or applied for; and neither the Company nor any of its subsidiaries has any reason to believe that it will not be able to renew its existing insurance coverage as and when such coverage expires or to obtain similar coverage from similar insurers as may be necessary to continue its business at a cost that would not reasonably be expected to have a material adverse effect on the Company and its subsidiaries, taken as a whole, except as described in the Time of Sale Prospectus.

(z) The Company and its subsidiaries, taken as a whole, possesses all certificates, authorizations and permits issued by the appropriate federal, state or foreign regulatory authorities necessary to conduct their respective businesses, except as would not reasonably be expected to have a material adverse effect on the Company and its subsidiaries, taken as a whole, and neither the Company nor any of its subsidiaries has received any notice of proceedings relating to the revocation or modification of any such certificate, authorization or permit which, singly or in the aggregate, if the subject of an unfavorable decision, ruling or finding, would reasonably be expected to have a material adverse effect on the Company and its subsidiaries, taken as a whole, except as described in the Time of Sale Prospectus.

(aa) The Company and its subsidiaries have filed all federal, state, local and foreign tax returns required to be filed by them through the date of this Agreement or have requested extensions thereof (except where the failure to file would not, individually or in the aggregate, have a material adverse effect on the Company and its subsidiaries, taken as a whole) and have paid all taxes required to be paid thereon (except for cases in which the failure to file or pay would not have a material adverse effect on the Company and its subsidiaries, taken as a whole, or, except as currently being contested in good faith and for which reserves required by U.S. GAAP have been created in the financial statements of the Company), and no tax deficiency has been determined adversely to the Company or any of its subsidiaries which has had (nor does the Company nor any of its subsidiaries have any notice or knowledge of any tax deficiency which could reasonably be expected to be determined adversely to the Company or its subsidiaries and which could reasonably be expected to have) a material adverse effect on the Company and its subsidiaries, taken as a whole.

(bb) The Company and its subsidiaries maintain a system of internal accounting controls sufficient to provide reasonable assurance that (i) transactions are executed in accordance with management’s general or specific authorizations; (ii) transactions are recorded as necessary to permit preparation of financial statements in conformity with generally accepted accounting principles and to maintain asset accountability; (iii) access to assets is permitted only in accordance with management’s general or specific authorization; (iv) the recorded accountability for assets is compared with the existing assets at reasonable intervals and appropriate action is taken with respect to any differences; and (v) the interactive data in eXtensible Business Reporting Language included or incorporated by reference in the Registration Statement fairly presents the information called for in all material respects and has been prepared in accordance with the Commission’s rules and guidelines applicable thereto. Except as described in the Time of Sale Prospectus, since the end of the Company’s most recent audited fiscal year, there has been(i) no material weakness in the Company’s internal control over financial reporting (whether or not remediated) and (ii) no change in the Company’s internal control over financial reporting that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

(cc) As of the time of each sale of the Shares in connection with the offering when the Prospectus is not yet available to prospective purchasers, none of (A) the Time of Sale Prospectus, and (B) any free writing prospectus, when considered together with the Time of Sale Prospectus included, includes or will include an untrue statement of a material fact or omitted, omits or will omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading.

(dd) The accountants who certified the financial statements and any supporting schedules included in the Registration Statement and the Time of Sale Prospectus are independent public accountants with respect to the Company within the meaning of the Securities Act and the applicable rules and regulations of the Commission thereunder and the PCAOB.

(ee) The financial statements of the Company included in the Registration Statement, the Time of Sale Prospectus and the Prospectus, together with the related schedules (if any) and notes, present fairly in all material respects the financial position of the Company and its consolidated subsidiaries at the dates indicated and the results of operations, changes in stockholders’ equity and cash flows of the Company and its consolidated subsidiaries for the periods specified and all such financial statements have been prepared in conformity with U.S. GAAP applied on a consistent basis throughout the periods involved and comply with all applicable accounting requirements under the Securities Act and the applicable rules and regulations of the Commission thereunder. The supporting schedules, if any, included in the Registration Statement present fairly in all material respects, in accordance with U.S. GAAP, the information required to be stated therein. The information in the Registration Statement, the Time of Sale Prospectus and the Prospectus under the captions “Summary Historical Consolidated Financial and Operating Data” presents fairly in all material respects the information shown therein and has been compiled on a basis consistent with that of the audited financial statements of the Company included in the Registration Statement, the Time of Sale Prospectus and the Prospectus. All “non-GAAP financial measures” (as such term is defined in the rules and regulations of the Commission), if any, contained in the Registration Statement, the General Disclosure Package and the Prospectus comply with Item 10 of Regulation S-K of the Commission, to the extent applicable.

(ff) The information in the preliminary prospectus and the Prospectus under the captions “Risk Factors—Risks Related to Environmental, Mining and Other Regulation,” “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Liquidity and Capital Resources,” “Business—Regulation and Legislation,” “Legal Proceedings,” “Business—Intellectual Property,” “Certain Relationships and Related Transactions,” “Description of Capital Stock,” and, if applicable, “Material U.S. Federal Income Tax Considerations For Non-U.S. Holders” and the information in the Registration Statement under Items 14 and 15, in each case to the extent that it constitutes matters of law, summaries of legal matters, summaries of

provisions of the Company’s charter or bylaws or any other instruments or agreements, summaries of legal proceedings, or legal conclusions, is correct in all material respects; all descriptions in the Registration Statement, the Time of Sale Prospectus and the Prospectus of any other contracts, indentures, mortgages, deeds of trust, loan or credit agreements, bonds, notes, debentures, evidences of indebtedness, leases or other instruments or agreements to which the Company or any of its subsidiaries is a party or by which the Company or any of its subsidiaries is bound are accurate in all material respects; and there are no franchises, contracts, indentures, mortgages, deeds of trust, loan or credit agreements, bonds, notes, debentures, evidences of indebtedness, leases or other instruments, agreements or documents required to be described or referred to in the Registration Statement, the Time of Sale Prospectus or the Prospectus or to be filed as exhibits to the Registration Statement which have not been so described and filed as required.

(gg) The Company has not taken and will not take, directly or indirectly, any action designed to or that would constitute or that might reasonably be expected to cause or result in the stabilization or manipulation of the price of any security to facilitate the sale or resale of the Shares.

(hh) Any statistical, demographic, market-related and similar data included in the Registration Statement, the Time of Sale Prospectus or the Prospectus are based on or derived from sources that the Company believes to be reliable and accurate and accurately reflect the materials upon which such data is based or from which it was derived.

(ii) There are no business relationships or related party transactions involving the Company or any of its subsidiaries or, to the knowledge of the Company, any other person that are required to be described in the preliminary prospectus or the Prospectus that have not been described as required.

(jj) There is not a broker, finder or other party that is entitled to receive from the Company any brokerage or finder’s fee or other fee or commission as a result of any of the transactions contemplated by this Agreement, except for underwriting discounts, commissions and other fees payable to the Underwriter in connection with the sale of the Shares to the Underwriter pursuant to this Agreement.

2. Representations and Warranties of the Selling Shareholder. The Selling Shareholder represents and warrants to and agrees with the Underwriter as to itself only that:

(a) This Agreement has been duly authorized, executed and delivered by or on behalf of the Selling Shareholder.

(b) The execution and delivery by the Selling Shareholder of, and the performance by the Selling Shareholder of its obligations under, this Agreement, the Custody Agreement signed by the Selling Shareholder and American Stock Transfer & Trust Company LLC, as Custodian, relating to the deposit of the Shares to be sold by the

Selling Shareholder (the “Custody Agreement”) and the Power of Attorney appointing certain individuals as the Selling Shareholder’s attorneys-in-fact to the extent set forth therein, relating to the transactions contemplated hereby and by the Registration Statement (the “Power of Attorney”), will not contravene (i) any provision of applicable law, or (ii) if the Selling Shareholder is not a natural person, the certificate of incorporation or by-laws (or similar organizational document) of the Selling Shareholder, or (iii) any agreement or other instrument binding upon the Selling Shareholder or (iv) any judgment, order or decree of any governmental body, agency or court having jurisdiction over the Selling Shareholder except in the case of clauses (i), (iii) and (iv), for any such contraventions that would not, individually or in the aggregate, reasonably be expected to have a material adverse effect on the ability of the Selling Shareholder to perform its obligations under this Agreement, the Custody Agreement and the Power of Attorney, and no consent, approval, authorization or order of, or qualification with, any governmental body or agency having jurisdiction over the Selling Shareholder is required for the performance by the Selling Shareholder of its obligations under this Agreement or the Custody Agreement, or Power of Attorney of the Selling Shareholder, except for (i) such registrations, consents, approvals, authorizations, orders, or qualifications as have been, or prior to the Closing Date will be, obtained or made, (ii) the registration of the offer and sale of the Shares under the Securities Act and such registrations, consents, approvals, authorizations, orders, or qualifications as may be required under the Exchange Act, the securities or Blue Sky laws of the various states or the rules of FINRA in connection with the offer and sale of the Shares, (iii) such registrations, consents, approvals, authorizations, orders, or qualifications that, if not obtained, would not reasonably be expected to have a material adverse effect on the ability of the Selling Shareholder to consummate the transactions contemplated by this Agreement and (iv) as described in the Registration Statement and the Time of Sale Prospectus.

(c) If the Selling Shareholder is not a natural person, the Selling Shareholder has been duly organized and is validly existing and in good standing under the laws of the jurisdiction of its organization.

(d) The Selling Shareholder has, and on the Closing Date will have, valid title to, or a valid “security entitlement” within the meaning of Section 8-501 of the New York Uniform Commercial Code in respect of, the Shares to be sold by the Selling Shareholder free and clear of all security interests, claims, liens, equities or other encumbrances (other than those created by this Agreement, the Custody Agreement, the Power of Attorney) and the legal right and power to sell, transfer and deliver the Shares to be sold by the Selling Shareholder or a security entitlement in respect of such Shares.

(e) This Agreement, the Custody Agreement and the Power of Attorney, in each case to the extent the Shareholder is a party thereto, have been duly authorized, executed and delivered by the Selling Shareholder and are valid and binding agreements of the Selling Shareholder in accordance with their respective terms subject in each case to (i) the effects of bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium and other similar laws relating to or affecting creditors’ rights generally, (ii) general equitable principles (whether considered in a proceeding in equity or at law) and (iii) an implied covenant of good faith and fair dealing.

(f) The Selling Shareholder is not prompted by any information concerning the Company or its subsidiaries which is not set forth in the Time of Sale Prospectus to sell its Shares pursuant to this Agreement.

(g) Upon payment for the Shares to be sold by such Selling Shareholder pursuant to this Agreement, delivery of such Shares, as directed by the Underwriter, to Cede & Co. (“Cede”) or such other nominee as may be designated by the Depository Trust Company (“DTC”), registration of such Shares in the name of Cede or such other nominee and the crediting of such Shares on the books of DTC to securities accounts of the Underwriter (assuming that neither DTC nor any such Underwriter has notice of any adverse claim (within the meaning of Section 8-105 of the New York Uniform Commercial Code (the “UCC”)) to such Shares), (A) DTC shall be a “protected purchaser” of such Shares within the meaning of Section 8-303 of the UCC, (B) under Section 8-501 of the UCC, the Underwriter will acquire a valid security entitlement in respect of such Shares and (C) no action based on any “adverse claim”, within the meaning of Section 8-102 of the UCC, to such Shares may be successfully asserted against the Underwriter with respect to such security entitlement; for purposes of this representation, the Selling Shareholder may assume that when such payment, delivery and crediting occur, (x) such Shares will have been registered in the name of Cede or another nominee designated by DTC, in each case on the Company’s share registry in accordance with its certificate of incorporation, bylaws and applicable law, (y) DTC will be registered as a “clearing corporation” within the meaning of Section 8-102 of the UCC and (z) appropriate entries to the accounts of the Underwriter on the records of DTC will have been made pursuant to the UCC.

(h) The Selling Shareholder, if the Selling Shareholder is the Chief Executive Officer or the Chief Financial Officer of the Company, has no reason to believe that the representations and warranties of the Company contained in Section 1 are not true and correct, is familiar with the Registration Statement, the Time of Sale Prospectus and the Prospectus and has no knowledge of any material fact, condition or information not disclosed in the Time of Sale Prospectus or the Prospectus that has had, or may have, a material adverse effect on the Company and its subsidiaries, taken as a whole.

(i) (i) Each document, if any, filed or to be filed pursuant to the Exchange Act and incorporated by reference in the Time of Sale Prospectus or the Prospectus complied or will comply when so filed in all material respects with the Exchange Act and the applicable rules and regulations of the Commission thereunder, (ii) the Registration Statement, when it became effective, did not contain and, as amended or supplemented, if applicable, will not contain, as of the date of such amendment or supplement, any untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading, (iii) the Time of Sale Prospectus does not, and at the time of each sale of the Shares in connection with the offering when the Prospectus is not yet available to prospective purchasers and at the Closing Date (as defined in Section 5), as then amended or supplemented by the Company, if applicable, will not, contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading and (iv) the Prospectus, as amended or supplemented,

will not contain as of its date and, as then amended and supplemented, if applicable, as of the date that any Additional Shares are delivered by the Selling Shareholder to the Underwriter in accordance with this Agreement, any untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided that the representations and warranties set forth in this paragraph 2(i) are limited to statements or omissions made in reliance upon and in conformity with information relating to the Selling Shareholder furnished to the Company in writing by the Selling Shareholder expressly for use in the Registration Statement, the Time of Sale Prospectus, the Prospectus or any amendments or supplements thereto, it being understood and agreed that the only information furnished by the Selling Shareholder consists of the name of the Selling Shareholder, the number of offered shares, the address, beneficial ownership information with respect to the Selling Shareholder (excluding percentages) and such other information (excluding percentages) with respect to the Selling Shareholder which appear in the Time of Sale Prospectus in the table (and corresponding footnotes) under the caption “Principal and Selling Stockholders” (the “Selling Shareholder Information”).

(j) The Shares to be sold by the Selling Shareholder under this Agreement are not subject to any option, warrant, put, call, right of first refusal or other right to purchase or otherwise acquire any such Shares other than pursuant to this Agreement.

(k) The Selling Shareholder has not taken and will not take, directly or indirectly, any action designed to or that constitutes or would reasonably be expected to cause or result in the stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of the Shares.

(l) There is no broker, finder or other party that is entitled to receive from the Selling Shareholder any brokerage or finder’s fee or other fee or commission as a result of any of the transactions contemplated by this Agreement.

(m) (i) None of the Selling Shareholder or any of its subsidiaries, or, to the knowledge of the Selling Shareholder, any director, officer, employee, agent, representative, or affiliate thereof, is a Person that is, or is owned or controlled by one or more Persons that are:

(A) the subject of any Sanctions, or

(B) located, organized or resident in a country or territory that is the subject of Sanctions (including, without limitation, Crimea, Cuba, Iran, North Korea, Sudan and Syria).

(ii) The Selling Shareholder will not, directly or indirectly, use the proceeds of the offering, or lend, contribute or otherwise make available such proceeds to any subsidiary, joint venture partner or other Person:

(A) to fund or facilitate any activities or business of or with any Person or in any country or territory that, at the time of such funding or facilitation, is the subject of Sanctions; or

(B) in any other manner that will result in a violation of Sanctions by any Person (including any Person participating in the offering, whether as underwriter, advisor, investor or otherwise).

(iii) The Selling Shareholder (a) for the past 5 years has not knowingly engaged in, (b) is not now knowingly engaged in, and (c) will not engage in, any dealings or transactions with any Person, or in any country or territory, that at the time of the dealing or transaction is or was the subject of Sanctions.

(iv) (a) None of the Selling Shareholder or its subsidiaries, or, to the knowledge of the Selling Shareholder, any director, officer, employee, agent, representative, or affiliate thereof has taken or will take any action in furtherance of an offer, payment, promise to pay, or authorization or approval of the payment giving or receipt of money, property, gifts or anything else of value, directly or indirectly, to any Government Official in order to influence official action, or to any person in violation of any applicable anti-corruption laws; (b) the Selling Shareholder and its subsidiaries have conducted their businesses in compliance with applicable anti-corruption laws and have instituted and maintained and will continue to maintain policies and procedures reasonably designed to promote and achieve compliance with such laws and with the representations and warranties contained herein; and (c) neither the Selling Shareholder nor any of its subsidiaries will use, directly or indirectly, the proceeds of the offering in furtherance of an offer, payment, promise to pay, or authorization of the payment or giving of money, or anything else of value, to any person in violation of any applicable anti-corruption laws.

(v) The operations of the Selling Shareholder and its subsidiaries are and have been conducted at all times in material compliance with all applicable Anti-Money Laundering Laws, and no action, suit or proceeding by or before any court or governmental agency, authority or body or any arbitrator involving the Selling Shareholder or any of its subsidiaries with respect to the Anti-Money Laundering Laws is pending or, to the best knowledge of the Selling Shareholder, threatened.

3. Agreements to Sell and Purchase. The Selling Shareholder hereby agrees to sell to the Underwriter, and the Underwriter, upon the basis of the representations and warranties herein contained, but subject to the conditions hereinafter stated, agrees to purchase from the Selling Shareholder the number of Firm Shares set forth in Schedule I hereto opposite its name at the purchase price set forth in Schedule I hereto (the “Purchase Price”).

On the basis of the representations and warranties contained in this Agreement, and subject to its terms and conditions, the Selling Shareholder agrees to sell to the Underwriter the Additional Shares, and the Underwriter shall have the right to purchase up to the number of Additional Shares set forth in Schedule I hereto opposite its name at the Purchase Price, provided, however, that the amount paid by the Underwriter for any Additional Shares shall be reduced by an amount per share equal to any dividends declared by the Company and payable on the Firm Shares but not payable on such Additional Shares. You may exercise this right in whole or from time to time in part by giving written notice not later than 30 days after the date of the Prospectus. Any exercise notice shall specify the number of Additional Shares to be purchased by the Underwriter and the date on which such shares are to be purchased. Each purchase date must be at least one business day after the written notice is given and may not be earlier than the closing date for the Firm Shares nor later than ten business days after the date of such notice. Additional Shares may be purchased as provided in Section 5 hereof solely for the purpose of covering sales of shares in excess of the number of the Firm Shares. On each day, if any, that Additional Shares are to be purchased (an “Option Closing Date”), the Underwriter agrees to purchase the number of Additional Shares (subject to such adjustments to eliminate fractional shares as you may determine) that bears the same proportion to the total number of Additional Shares to be purchased on such Option Closing Date as the number of Firm Shares set forth in Schedule II hereto opposite the name of such Underwriter bears to the total number of Firm Shares.

The Company and the Selling Shareholder also covenants with the Underwriter that, without the prior written consent of the Underwriter identified in Schedule I with the authorization to release this lock-up on behalf of the Underwriter, it will not, during the restricted period set forth in Schedule I hereto (the “Restricted Period”), (1) offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase, lend, or otherwise transfer or dispose of, directly or indirectly, any shares of Common Stock or any securities convertible into or exercisable or exchangeable for Common Stock or (2) enter into any swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of the Common Stock, whether any such transaction described in clause (1) or (2) above is to be settled by delivery of Common Stock or such other securities, in cash or otherwise or (3) file any registration statement with the Commission relating to the offering of any shares of Common Stock or any securities convertible into or exercisable or exchangeable for Common Stock. The foregoing sentence shall not apply to (a) the Shares to be sold hereunder, (b) the issuance by the Company of shares of Common Stock upon the exercise of an option or warrant or the conversion of a security outstanding on the date hereof and disclosed or incorporated by reference in the Time of Sale Prospectus, (c) the issuance of stock options, restricted stock, shares of Common Stock or other equity incentive awards pursuant to the Company’s equity compensation or director compensation plans in effect as of the date hereof and that are described in the Time of Sale Prospectus, or (d) the establishment of a trading plan pursuant to Rule 10b5-1 under the Exchange Act for the transfer of shares of Common Stock, provided that (i) such plan does not provide for the transfer of Common Stock during the Restricted Period and (ii) to the extent a public announcement or filing under the Exchange Act, if any, is required of or voluntarily made by the Company regarding the establishment of such plan, such announcement or filing shall include a statement to the effect that no transfer of Common Stock may be made under such plan during the Restricted Period.

4. Public Offering. The Company and the Selling Shareholder are advised by you that the Underwriter proposes to make a public offering of the Shares as soon after the Registration Statement and this Agreement have become effective as in your judgment is advisable. The Company and the Selling Shareholder are further advised by you that the Shares are to be offered to the public upon the terms set forth in the Prospectus.

5. Payment and Delivery. Payment for the Firm Shares to be sold by the Selling Shareholder shall be made to the Selling Shareholder in Federal or other funds immediately available in New York City on the closing date and time set forth in Schedule I hereto, or at such other time on the same or such other date, not later than the fifth business day thereafter, as may be determined by agreement between you and the Company. The time and date of such payment are hereinafter referred to as the “Closing Date.”

Payment for any Additional Shares shall be made to the Selling Shareholder in Federal or other funds immediately available in New York City on the date specified in the corresponding notice described in Section 3 or at such other time on the same or on such other date, not later than the fifth business day thereafter, as may be determined by agreement between you and the Company.

The Firm Shares and the Additional Shares shall be registered in such names and in such denominations as you shall request in writing not later than one full business day prior to the Closing Date or the applicable Option Closing Date, as the case may be, for the respective accounts of the Underwriter, with any transfer taxes payable in connection with the transfer of the Shares to the Underwriter duly paid, against payment of the Purchase Price therefor.

6. Conditions to the Underwriter’s Obligations. The obligations of the Underwriter are subject to the following conditions:

(a) Subsequent to the execution and delivery of this Agreement and prior to the Closing Date:

(i) there shall not have occurred any downgrading, nor shall any notice have been given of any intended or potential downgrading or of any review for a possible change that does not indicate the direction of the possible change, in the rating accorded any of the securities of the Company or any of its subsidiaries by any “nationally recognized statistical rating organization,” as such term is defined in Section 3(a)(62) of the Exchange Act; and

(ii) there shall not have occurred any change, or any development involving a prospective change, in the condition, financial or otherwise, or in the earnings, business or operations of the Company and its subsidiaries, taken as a whole, from that set forth in the Time of Sale Prospectus that, in your judgment, is material and adverse and that makes it, in your judgment, impracticable to market the Shares on the terms and in the manner contemplated in the Time of Sale Prospectus.

(b) The Underwriter shall have received on the Closing Date a certificate, dated the Closing Date and signed by an executive officer of the Company, to the effect set forth in Section 6(a)(i) above and to the effect that the representations and warranties of the Company contained in this Agreement are true and correct as of the Closing Date and that the Company has complied with all of the agreements and satisfied all of the conditions on its part to be performed or satisfied hereunder on or before the Closing Date.

The officer signing and delivering such certificate may rely upon the best of his or her knowledge as to proceedings threatened.

(c) The Underwriter shall have received on the Closing Date a certificate, dated the Closing Date and signed by the chief financial officer of the Company, with respect to certain financial information contained in the Prospectus, in form and substance satisfactory to the Underwriter.

(d) The Underwriter shall have received on the Closing Date from the Selling Shareholder a certificate, dated the Closing Date and signed by the Selling Shareholder, to the effect that the representations and warranties of the Selling Shareholder contained in this Agreement with respect to itself only are true and correct as of the Closing Date and that the Selling Shareholder has complied with all of the agreements and satisfied all of the conditions to be performed or satisfied hereunder by the Selling Shareholder on or before the Closing Date.

(e) The Underwriter shall have received on the Closing Date an opinion of Xxxxxx, Halter & Xxxxxxxx LLP, outside counsel for the Company, dated the Closing Date, to the effect that:

(i) the Company is validly existing as a corporation and is in good standing under the laws of the State of Delaware, has the corporate power and authority to own or lease, as the case may be, and to operate its properties and to conduct its business as described in the Time of Sale Prospectus and is duly qualified to do business as a foreign corporation and is in good standing in each jurisdiction listed on Schedule III, except to the extent that the failure to be so qualified or be in good standing would not have a material adverse effect on the Company and its subsidiaries, taken as a whole;

(ii) each subsidiary of the Company listed on Schedule III is validly existing as a corporation, limited liability company or limited partnership, as applicable, in good standing under the laws of the jurisdiction of its formation; each subsidiary of the Company listed on Schedule III has the corporate, limited liability company or partnership, as applicable, power and authority to own or

lease, as the case may be, and to operate its properties and to conduct its business as described in the Time of Sale Prospectus and is duly qualified to do business and is in good standing in each jurisdiction listed on Schedule III, except to the extent that the failure to be so qualified or be in good standing would not have a material adverse effect on the Company and its subsidiaries, taken as a whole;

(iii) the authorized capital stock of the Company conforms as to legal matters to the description thereof contained in each of the Time of Sale Prospectus and the Prospectus;

(iv) [reserved];

(v) the Shares of Common Stock (including the Shares to be sold by the Selling Shareholder) to be sold by the Selling Shareholder to the Underwriter under this Agreement have been duly authorized, validly issued, fully paid and non-assessable, and the sale of such Shares by the Selling Shareholder will not be subject to any preemptive or similar rights;

(vi) this Agreement has been duly authorized, executed and delivered by the Company;

(vii) The execution, delivery and performance by the Company of its obligations under this Agreement and the issuance and sale of the Shares being delivered on the Closing Date or the Option Closing Date, as the case may be, and the compliance by the Company with the terms thereof will not (i) result in a breach or violation of any of the terms or provisions of, or constitute a default under, or result in the creation or imposition of any lien, charge or encumbrance upon any property or assets of the Company or any of its subsidiaries pursuant to, any agreement or instrument to which the Company or any of its subsidiaries is a party which has been filed or incorporated by reference as an exhibit to the Company’s Annual Report on Form 10-K for the year ended December 31, 2015, (ii) result in any violation of the provisions of the charter or by-laws of the Company or (iii) result in the violation of (A) any provisions of the General Corporation Law of the State of Delaware and those state laws of the State of Ohio and federal laws of the United States of America which are normally applicable to transactions of the type contemplated by this Agreement, but not including federal or state securities or blue sky laws, including without limitation the Securities Act, the Exchange Act or the Investment Company Act, antifraud laws, or in each case any rules and regulations thereunder or (B) to our knowledge, any order, known to such counsel, of any court, governmental or regulatory authority having jurisdiction over the Company.

(viii) the statements relating to legal matters, documents or proceedings included in the Time of Sale Prospectus and the Prospectus under the captions “Legal Proceedings” and “Description of Capital Stock,” in each case fairly summarize in all material respects such matters, documents or proceedings;

(ix) the statements made, if applicable, in each of the Time of Sale Prospectus and the Prospectus under the caption “Material U.S. Federal Income Tax Considerations For Non-U.S. Holders,” insofar as they purport to constitute summaries of United States federal income tax law and regulations or legal conclusions with respect thereto, constitute accurate summaries of the matters described therein in all material respects;

(x) the Company is not, and after giving effect to the offering and sale of the Shares pursuant to the terms of this Agreement and the application of the net proceeds thereof as described in the Time of Sale Prospectus and the Prospectus under the caption “Use of Proceeds” will not be, required to register as an “investment company” as such term is defined in the Investment Company Act of 1940, as amended;

(xi) (A) in the opinion of such counsel (1) each document filed pursuant to the Exchange Act and incorporated by reference in the Time of Sale Prospectus or the Prospectus (except for the financial statements and financial schedules and other financial and statistical data and sand reserve information included therein, as to which such counsel need not express any opinion) appeared on its face to be appropriately responsive as of its filing date (and in the case of the Form 10-K for the year ended December 31, 2015, as amended by a Form 10-K/A) in all material respects to the requirements of the Exchange Act and the applicable rules and regulations of the Commission thereunder, and (2) the Registration Statement and the Prospectus (except for the financial statements and financial schedules and other financial and statistical data and sand reserve information included therein as to which such counsel need not express any opinion) appear on their face to be appropriately responsive in all material respects to the requirements of the Securities Act and the applicable rules and regulations of the Commission thereunder, and (B) nothing has come to the attention of such counsel that causes such counsel to believe that (1) any part of the Registration Statement, when such part became effective, (except for the financial statements and financial schedules and other financial and statistical data and sand reserve information included therein as to which such counsel need not express any belief) contained any untrue statement of a material fact or omitted to state a material fact required to be stated therein or necessary to make the statements therein not misleading, (2) the Time of Sale Prospectus (except for the financial statements and financial schedules and other financial and statistical data and sand reserve information included therein, as to which such counsel need not express any belief) as of the date of this Agreement or as amended or supplemented, if applicable, as of the Closing Date contained or contains any untrue statement of a material fact or omitted or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made not misleading or (3) the Prospectus (except for the financial statements and financial schedules and other financial and statistical data and sand reserve information included therein, as to which such counsel need not express any belief) as amended or supplemented, if applicable, as of the Closing Date contains any untrue statement of a material fact or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made not misleading; and

(xii) to such counsel’s knowledge there are no statutes, regulations, contracts or other documents that are required to be described in the Registration Statement or the Prospectus or to be filed as exhibits to the Registration Statement that are not described or filed as required.

(f) The Underwriter shall have received on the Closing Date an opinion of Xxxx Xxxxxxx LLP, counsel for the Selling Shareholder, dated the Closing Date, to the effect that:

(i) this Agreement has been duly authorized, executed and delivered by or on behalf of the Selling Shareholder;

(ii) no consent, approval, authorization or other order of any regulatory body, administrative agency or other governmental body of the federal government of the United States of America or of the State of New York is required to be obtained by the Selling Shareholder for the sale of the Shares to be sold by the Selling Shareholder to you pursuant to this Agreement, under the federal laws of the United States of America and the laws of the State of New York which, in each case, in the exercise of customary professional diligence, would reasonably be recognized as applicable to the Selling Shareholder with respect to the transactions contemplated by this Agreement and the Delaware LLC Act (collectively, the “Opining Laws”);

(iii) upon payment to the Selling Shareholder of the purchase price for the Shares to be sold by the Selling Shareholder as provided in this Agreement, delivery of such Shares, as directed by you, to Cede or such other nominee as may be designated by DTC, registration of such Shares in the name of Cede or such other nominee and the crediting of such Shares on the books of DTC to “securities accounts” (as defined in Section 8-501(a) of the NY UCC) of the Underwriter, (i) under Section 8-501 of the NY UCC, you will acquire a “security entitlement” (within the meaning of Section 8-501 of the NY UCC) in respect of such Shares and (ii) no action based on any “adverse claim” (as defined in Section 8 102 of the NY UCC) to such Shares may be successfully asserted against you with respect to such security entitlement to the extent your rights are governed by Article 8 of the UCC; and

(iv) the execution and delivery of this Agreement by the Selling Shareholder and sale of the Shares to be sold by the Selling Shareholder pursuant to the terms of this Agreement will not (a) breach or constitute a default under the Fourth Amended and Restated Stockholders’ Agreement effective as of October 8, 2014, by and among the Company and the persons and entities named therein, (b) violate any organizational documents of the Selling Shareholder, or (c) violate any of the Opining Laws, except in the case of clause (a) or (c), for such conflicts, breaches, violations or defaults as would not reasonably be expected to impair in any material respect the ability of the Selling Shareholder to fulfill its obligations under this Agreement.

(g) The Underwriter shall have received on the Closing Date an opinion of Xxxxx Xxxxxxxx, general counsel of the Company, dated the Closing Date, to the effect that:

(i) all of the issued shares of capital stock, limited liability company interests, or partnership interests, as applicable, of each subsidiary of the Company listed on Schedule III are owned directly or indirectly by the Company, free and clear of all liens, encumbrances, equities or claims (A) in respect of which a financing statement under the Uniform Commercial Code of the State of Delaware as of December 7, 2016 has been filed or (B) otherwise known to him, without independent investigation other than those created or arising under the DGCL, the DRULPA, or the Delaware LLC Act, except those securing the Company’s obligations under that certain Second Amended and Restated Credit and Guaranty Agreement, dated as of September 5, 2013, among the Company, certain of its affiliates, the Lenders party thereto from time to time, and Barclays Bank PLC, as Administrative Agent, as amended; and

(ii) after due inquiry, he does not know of any legal or governmental proceedings pending or threatened to which the Company or any of its subsidiaries is a party or to which any of the properties of the Company or any of its subsidiaries is subject that are required to be described in the Registration Statement or the Prospectus and are not so described.

(h) The Underwriter shall have received on the Closing Date an opinion of Xxxxxx & Xxxxxxx LLP, counsel for the Underwriter, dated the Closing Date, covering the matters referred to in Sections 6(e)(iv), 6(e)(vii) and to the effect that the statements relating to legal matters, documents or proceedings included in the Time of Sale Prospectus and the Prospectus under the caption “Underwriting” fairly summarize in all material respects such matters, documents or proceedings.

With respect to Section 6(e)(xi) above, Xxxxxx, Halter & Xxxxxxxx LLP, Xxxx Xxxxxxx and Xxxxxx & Xxxxxxx LLP may state that their opinions and beliefs are based upon their participation in the preparation of the Registration Statement, the Time of Sale Prospectus, the Prospectus and any amendments or supplements thereto and review and discussion of the contents thereof, but are without independent check or verification, except as specified.

The opinions of Xxxxxx, Halter & Xxxxxxxx LLP, Xxxx Xxxxxxx LLP and Xxxxx Xxxxxxxx described in Section 6(d), 6(f) and 6(g) above shall be rendered to the Underwriter at the request of the Company or the Selling Shareholder, as the case may be, and shall so state therein.

(i) The Underwriter shall have received, on each of the date hereof and the Closing Date, a letter dated the date hereof or the Closing Date, as the case may be, in form and substance satisfactory to the Underwriter, from PricewaterhouseCoopers LLP, independent public accountants, containing statements and information of the type ordinarily included in accountants’ “comfort letters” to the underwriter with respect to the financial statements and certain financial information contained in the Registration Statement, the Time of Sale Prospectus and the Prospectus; provided that the letter delivered on the Closing Date shall use a “cut-off date” not earlier than the date hereof.

(j) The Underwriter shall have received, on each of the date hereof and the Closing Date, a letter dated the date hereof or the Closing Date, as the case may be, in form and substance satisfactory to the Underwriter, from GZA, GeoEnvironmental, Inc. stating the conclusions and findings of such firm with respect to the Company’s estimated sand reserves as is customary to underwriters in connection with registered offerings.

(k) The “lock-up” agreements, each substantially in the form of Exhibit A hereto, between you, ASP FML Holdings, LLC, and officers and directors of the Company relating to sales and certain other dispositions of shares of Common Stock or certain other securities, delivered to you on or before the date hereof, shall be in full force and effect on the Closing Date.

(l) At the Closing Date and each Option Closing Date, if any, the Shares to be purchased by the Underwriter at such time shall have been approved for listing on the NYSE, subject only to official notice of issuance.

(m) The obligations of the Underwriter to purchase Additional Shares hereunder are subject to the delivery to you on the applicable Option Closing Date of the following:

(i) a certificate, dated the Option Closing Date and signed by an executive officer of the Company, confirming that the certificate delivered on the Closing Date pursuant to Section 6(b) hereof remains true and correct as of such Option Closing Date;

(ii) a certificate, dated the Option Closing Date and signed by the chief financial officer of the Company, confirming that the certificate delivered on the Closing Date pursuant to Section 6(c) hereof remains true and correct as of such Option Closing Date;

(iii) a certificate from the Selling Shareholder that is delivering Additional Shares on the Option Closing Date in accordance with this Agreement, dated the Option Closing Date and signed by the Selling Shareholder, confirming that the certificate delivered by the Selling Shareholder on the Closing Date pursuant to Section 6(d) hereof remains true and correct as of such Option Closing Date;

(iv) an opinion of Xxxxxx, Halter & Xxxxxxxx LLP, outside counsel for the Company, dated the Option Closing Date, relating to the Additional Shares to be purchased on such Option Closing Date and otherwise to the same effect as the opinion required by Section 6(e) hereof;

(v) an opinion of Xxxx Xxxxxxx LLP, outside counsel for the Selling Shareholder, dated the Option Closing Date, relating to the Additional Shares to be purchased on such Option Closing Date and otherwise to the same effect as the opinion required by Section 6(f) hereof;

(vi) an opinion of Xxxxx Xxxxxxxx, general counsel of the Company, dated the Option Closing Date relating to the Additional Shares to be purchased on such Option Closing Date and otherwise to the same effect as the opinion required by Section 6(g) hereof

(vii) an opinion of Xxxxxx & Xxxxxxx LLP, counsel for the Underwriter, dated the Option Closing Date, relating to the Additional Shares to be purchased on such Option Closing Date and otherwise to the same effect as the opinion required by Section 6(h) hereof;

(viii) a letter dated the Option Closing Date, in form and substance satisfactory to the Underwriter, from PricewaterhouseCoopers LLP, independent public accountants, substantially in the same form and substance as the letter furnished to the Underwriter pursuant to Section 6(h) hereof; provided that the letter delivered on the Option Closing Date shall use a “cut-off date” not earlier than three business days prior to such Option Closing Date;

(ix) a letter dated the Option Closing Date, in form and substance satisfactory to the Underwriter, from GZA, GeoEnvironmental, Inc., substantially in the same form and substance as the letter furnished to the Underwriter pursuant to Section 6(i) hereof;

(x) such other documents as you may reasonably request with respect to the good standing of the Company, the due authorization and issuance of the Additional Shares to be sold on such Option Closing Date and other matters related to the issuance of such Additional Shares.

7. Covenants of the Company. The Company covenants with the Underwriter as follows:

(a) To furnish to you, without charge, a copy of the Registration Statement (including exhibits thereto and documents incorporated by reference therein) and to deliver to the Underwriter during the period mentioned in Section 7(e) or 7(f) below, as many copies of the Time of Sale Prospectus, the Prospectus, any documents incorporated by reference therein and any supplements and amendments thereto or to the Registration Statement as you may reasonably request.

(b) Before amending or supplementing the Registration Statement, the Time of Sale Prospectus or the Prospectus, to furnish to you a copy of each such proposed amendment or supplement and not to file any such proposed amendment or supplement to which you reasonably object.

(c) To furnish to you a copy of each proposed free writing prospectus to be prepared by or on behalf of, used by, or referred to by the Company and not to use or refer to any proposed free writing prospectus to which you reasonably object.

(d) Not to take any action that would result in the Underwriter or the Company being required to file with the Commission pursuant to Rule 433(d) under the Securities Act a free writing prospectus prepared by or on behalf of the Underwriter that the Underwriter otherwise would not have been required to file thereunder.

(e) If the Time of Sale Prospectus is being used to solicit offers to buy the Shares at a time when the Prospectus is not yet available to prospective purchasers and any event shall occur or condition exist as a result of which it is necessary to amend or supplement the Time of Sale Prospectus in order to make the statements therein, in the light of the circumstances, not misleading, or if any event shall occur or condition exist as a result of which the Time of Sale Prospectus conflicts with the information contained in the Registration Statement then on file, or if, in the opinion of counsel for the Underwriter, it is necessary to amend or supplement the Time of Sale Prospectus to comply with applicable law, forthwith to prepare, file with the Commission and furnish, at its own expense, to the Underwriter and to any dealer upon request, either amendments or supplements to the Time of Sale Prospectus so that the statements in the Time of Sale Prospectus as so amended or supplemented will not, in the light of the circumstances when the Time of Sale Prospectus is delivered to a prospective purchaser, be misleading or so that the Time of Sale Prospectus, as amended or supplemented, will no longer conflict with the Registration Statement, or so that the Time of Sale Prospectus, as amended or supplemented, will comply with applicable law.

(f) If, during such period after the first date of the public offering of the Shares as in the opinion of counsel for the Underwriter the Prospectus (or in lieu thereof the notice referred to in Rule 173(a) of the Securities Act) is required by law to be delivered in connection with sales by the Underwriter or dealer, any event shall occur or condition exist as a result of which it is necessary to amend or supplement the Prospectus in order to make the statements therein, in the light of the circumstances when the Prospectus (or in lieu thereof the notice referred to in Rule 173(a) of the Securities Act) is delivered to a purchaser, not misleading, or if, in the opinion of counsel for the Underwriter, it is necessary to amend or supplement the Prospectus to comply with applicable law, forthwith to prepare, file with the Commission and furnish, at its own expense, to the Underwriter and to the dealers (whose names and addresses you will furnish to the Company) to which Shares may have been sold by you and to any other dealers upon request, either amendments or supplements to the Prospectus so that the statements in the Prospectus as so amended or supplemented will not, in the light of the circumstances when the Prospectus (or in lieu thereof the notice referred to in Rule 173(a) of the Securities Act) is delivered to a purchaser, be misleading or so that the Prospectus, as amended or supplemented, will comply with applicable law.

(g) To endeavor to qualify the Shares for offer and sale under the securities or Blue Sky laws of such jurisdictions as you shall reasonably request; provided that in no event shall the Company be obligated to do business in any jurisdiction where it is not now qualified or to take any action that would subject it to service of process in suits, other than those arising out of the offering or the sale of Shares, or taxation in any jurisdiction where it is not now subject.

(h) To make generally available to the Company’s security holders and to you as soon as practicable an earnings statement covering a period of at least twelve months beginning with the first fiscal quarter of the Company occurring after the date of this Agreement which shall satisfy the provisions of Section 11(a) of the Securities Act and the rules and regulations of the Commission thereunder.

(i) If the Selling Shareholder is not a U.S. person for U.S. federal income tax purposes, the Company will deliver to the Underwriter (or its agent), on or before the Closing Date, (i) a certificate with respect to the Company’s status as a “United States real property holding corporation,” dated not more than thirty (30) days prior to the Closing Date, as described in Treasury Regulations Sections 1.897-2(h) and 1.1445-2(c)(3), and (ii) proof of delivery to the IRS of the required notice, as described in Treasury Regulations 1.897-2(h)(2).

(j) If the third anniversary of the initial effective date of the Registration Statement occurs before all the Shares have been sold by the Underwriter, prior to the third anniversary to file a new shelf registration statement and to take any other action necessary to permit the public offering of the Shares to continue without interruption; references herein to the Registration Statement shall include the new registration statement declared effective by the Commission;

(k) If requested by the Underwriter, to prepare a final term sheet relating to the offering of the Shares, containing only information that describes the final terms of the offering in a form consented to by the Underwriter, and to file such final term sheet within the period required by Rule 433(d)(5)(ii) under the Securities Act following the date the final terms have been established for the offering of the Shares.

8. Covenants of the Selling Shareholder. The Selling Shareholder covenants with the Underwriter that the Selling Shareholder will deliver to the Underwriter (or its agent), prior to or at the Closing Date, a properly completed and executed Internal Revenue Service (“IRS”) Form W-9 or an IRS Form W-8, as appropriate, together with all required attachments to such form.

9. Expenses. Whether or not the transactions contemplated in this Agreement are consummated or this Agreement is terminated, the Company agrees to pay or cause to be paid all expenses incident to the performance of its obligations and the obligations of the Selling Shareholder under this Agreement, including: (i) the fees,

disbursements and expenses of the Company’s counsel, the Company’s accountants and counsel for the Selling Shareholder in connection with the registration and delivery of the Shares under the Securities Act and all other fees or expenses in connection with the preparation and filing of the Registration Statement, any preliminary prospectus, the Time of Sale Prospectus, the Prospectus, any free writing prospectus prepared by or on behalf of, used by, or referred to by the Company and amendments and supplements to any of the foregoing, including all printing costs associated therewith, and the mailing and delivering of copies thereof to the Underwriter and dealers, in the quantities hereinabove specified, (ii) all costs and expenses related to the transfer and delivery of the Shares to the Underwriter, including any transfer or other taxes payable thereon, (iii) the cost of printing or producing any Blue Sky or Legal Investment memorandum in connection with the offer and sale of the Shares under state securities laws and all expenses in connection with the qualification of the Shares for offer and sale under state securities laws as provided in Section 7(g) hereof, including filing fees and the reasonable fees and disbursements of counsel for the Underwriter in connection with such qualification and in connection with the Blue Sky or Legal Investment memorandum, provided that the Company’s obligations under this clause (iii) shall not exceed $20,000 (iv) all filing fees incurred in connection with the review and qualification of the offering of the Shares by the Financial Industry Regulatory Authority (including related fees and disbursements of counsel to the Underwriter), provided that the Company’s obligations under this clause (iv) relating to fees and disbursements of counsel to the Underwriter shall not exceed $30,000, (v) all costs and expenses incident to listing the Shares on the NYSE, (vi) the cost of printing certificates representing the Shares, (vii) the costs and charges of any transfer agent, registrar or depositary, (viii) the costs and expenses of the Company relating to investor presentations on any “road show” undertaken in connection with the marketing of the offering of the Shares, including, without limitation, expenses associated with the preparation or dissemination of any electronic road show, expenses associated with the production of road show slides and graphics, fees and expenses of any consultants engaged in connection with the road show presentations with the prior approval of the Company, travel and lodging expenses of the representatives and officers of the Company and any such consultants, and 50% of the cost of any aircraft chartered in connection with the roadshow (ix) the document production charges and expenses associated with printing this Agreement and (x) all other costs and expenses incident to the performance of the obligations of the Company and the Selling Shareholder hereunder for which provision is not otherwise made in this Section. It is understood, however, that except as provided in this Section, Section 11 entitled “Indemnity and Contribution” and the last paragraph of Section 13 below, the Underwriter will pay all of its costs and expenses, including fees and disbursements of their counsel, stock transfer taxes payable on resale of any of the Shares by the Underwriter and any advertising expenses connected with any offers it may make and the transportation and other expenses incurred by the Underwriter on its own behalf in connection with presentations to prospective purchasers of the Shares.

The provisions of this Section shall not supersede or otherwise affect any agreement that the Company and the Selling Shareholder may otherwise have for the allocation of such expenses among themselves.

10. Covenants of the Underwriter. The Underwriter covenants with the Company not to take any action that would result in the Company being required to file with the Commission under Rule 433(d) a free writing prospectus prepared by or on behalf of such Underwriter that otherwise would not be required to be filed by the Company thereunder, but for the action of the Underwriter.

11. Indemnity and Contribution. (a) The Company agrees to indemnify and hold harmless the Underwriter and each person, if any, who controls the Underwriter within the meaning of either Section 15 of the Securities Act or Section 20 of the Exchange Act and each affiliate of the Underwriter within the meaning of Rule 405 under the Securities Act from and against any and all losses, claims, damages and liabilities (including, without limitation, any legal or other expenses reasonably incurred in connection with defending or investigating any such action or claim) caused by any untrue statement or alleged untrue statement of a material fact contained in the Registration Statement or any amendment thereof, any preliminary prospectus, the Time of Sale Prospectus or any amendment or supplement thereto, any issuer free writing prospectus as defined in Rule 433(h) under the Securities Act, any Company information that the Company has filed, or is required to file, pursuant to Rule 433(d) under the Securities Act, any “road show” as defined in Rule 433(h) under the Securities Act (a “road show”), or the Prospectus or any amendment or supplement thereto, or caused by any omission or alleged omission to state therein a material fact required to be stated therein or necessary to make the statements therein not misleading, except insofar as such losses, claims, damages or liabilities are caused by any such untrue statement or omission or alleged untrue statement or omission based upon information relating to the Underwriter furnished to the Company in writing by such Underwriter through you expressly for use therein.

(b) The Selling Shareholder agrees to indemnify and hold harmless (i) the Underwriter, each person, if any, who controls the Underwriter within the meaning of either Section 15 of the Securities Act or Section 20 of the Exchange Act, and each affiliate of the Underwriter within the meaning of Rule 405 under the Securities Act from and against any and all losses, claims, damages and liabilities (including, without limitation, any legal or other expenses reasonably incurred in connection with defending or investigating any such action or claim) caused by any untrue statement or alleged untrue statement of a material fact contained in the Registration Statement or any amendment thereof, any preliminary prospectus, the Time of Sale Prospectus or any amendment or supplement thereto, any issuer free writing prospectus as defined in Rule 433(h) under the Securities Act, any information that the Company has filed, or is required to file, pursuant to Rule 433(d) under the Securities Act, any road show (as defined in Rule 433 under the Securities Act), or the Prospectus or any amendment or supplement thereto, or caused by any omission or alleged omission to state therein a material fact required to be stated therein or necessary to make the statements therein not misleading, but in each case only with respect to untrue statements or omissions made in reliance upon and in conformity with the Selling Shareholder Information. The Selling Shareholder shall not be obligated to indemnify or hold harmless the Underwriter pursuant to this paragraph insofar as such losses, claims, damages or liabilities are caused by any such untrue statement or omission or alleged untrue statement or omission (i)

based upon information relating to the Underwriter furnished to the Company in writing by such Underwriter through you expressly for use therein or (ii) not made in reliance upon and in conformity with the Selling Shareholder Information. The aggregate liability of the Selling Shareholder under the indemnification provisions contained in this paragraph and the contribution provisions contained in paragraph 11(e) shall be limited to an amount equal to the aggregate Public Offering Price (less underwriting discounts and commissions) of the Shares sold by such Selling Shareholder under this Agreement (the “Selling Shareholder Proceeds”).

(c) The Underwriter agrees to indemnify and hold harmless the Company, the Selling Shareholder, the directors of the Company, the officers of the Company who sign the Registration Statement and each person, if any, who controls the Company or the Selling Shareholder within the meaning of either Section 15 of the Securities Act or Section 20 of the Exchange Act from and against any and all losses, claims, damages and liabilities (including, without limitation, any legal or other expenses reasonably incurred in connection with defending or investigating any such action or claim) caused by any untrue statement or alleged untrue statement of a material fact contained in the Registration Statement or any amendment thereof, any preliminary prospectus, the Time of Sale Prospectus or any amendment or supplement thereto, any issuer free writing prospectus as defined in Rule 433(h) under the Securities Act, any Company information that the Company has filed, or is required to file, pursuant to Rule 433(d) under the Securities Act, any road show or the Prospectus or any amendment or supplement thereto, or caused by any omission or alleged omission to state therein a material fact required to be stated therein or necessary to make the statements therein not misleading, but only with reference to information relating to such Underwriter furnished to the Company in writing by such Underwriter through you expressly for use in the Registration Statement, any preliminary prospectus, the Time of Sale Prospectus, any issuer free writing prospectus, road show, or the Prospectus or any amendment or supplement thereto.

(d) In case any proceeding (including any governmental investigation) shall be instituted involving any person in respect of which indemnity may be sought pursuant to Section 11(a), 11(b) or 11(c) such person (the “indemnified party”) shall promptly notify the person against whom such indemnity may be sought (the “indemnifying party”) in writing and the indemnifying party, upon request of the indemnified party, shall retain counsel reasonably satisfactory to the indemnified party to represent the indemnified party and any others the indemnifying party may designate in such proceeding and shall pay the reasonably incurred fees and disbursements of such counsel related to such proceeding. In any such proceeding, any indemnified party shall have the right to retain its own counsel, but the fees and expenses of such counsel shall be at the expense of such indemnified party unless (i) the indemnifying party and the indemnified party shall have mutually agreed to the retention of such counsel, (ii) the indemnifying party has failed within a reasonable time to retain counsel reasonably satisfactory to the indemnified party; or (iii) the named parties to any such proceeding (including any impleaded parties) include both the indemnifying party and the indemnified party and representation of both parties by the same counsel would be inappropriate due to actual or potential differing interests between them. It is understood that the indemnifying party

shall not, in respect of the legal expenses of any indemnified party in connection with any proceeding or related proceedings in the same jurisdiction, be liable for (i) the fees and expenses of more than one separate firm (in addition to any local counsel) for the Underwriter and all persons, if any, who control the Underwriter within the meaning of either Section 15 of the Securities Act or Section 20 of the Exchange Act or who are affiliates of the Underwriter within the meaning of Rule 405 under the Securities Act, (ii) the fees and expenses of more than one separate firm (in addition to any local counsel) for the Company, its directors, its officers who sign the Registration Statement and each person, if any, who controls the Company within the meaning of either such Section and (iii) the fees and expenses of more than one separate firm (in addition to any local counsel) for the Selling Shareholder and all persons, if any, who control the Selling Shareholder within the meaning of either such Section, and that all such fees and expenses shall be reimbursed as they are incurred. In the case of any such separate firm for the Underwriter and such control persons and affiliates of the Underwriter, such firm shall be designated in writing by Xxxxxx Xxxxxxx & Co. LLC. In the case of any such separate firm for the Company, and such directors, officers and control persons of the Company, such firm shall be designated in writing by the Company. In the case of any such separate firm for the Selling Shareholder and such control persons of the Selling Shareholder, such firm shall be designated in writing by the persons named as attorneys-in-fact for the Selling Shareholder under the Powers of Attorney. The indemnifying party shall not be liable for any settlement of any proceeding effected without its written consent, but if settled with such consent or if there be a final judgment for the plaintiff, the indemnifying party agrees to indemnify the indemnified party from and against any loss or liability by reason of such settlement or judgment. Notwithstanding the foregoing sentence, if at any time an indemnified party shall have requested an indemnifying party to reimburse the indemnified party for fees and expenses of counsel as contemplated by the second and third sentences of this paragraph, the indemnifying party agrees that it shall be liable for any settlement of any proceeding effected without its written consent if (i) such settlement is entered into more than 30 days after receipt by such indemnifying party of the aforesaid request and (ii) such indemnifying party shall not have reimbursed the indemnified party in accordance with such request prior to the date of such settlement. No indemnifying party shall, without the prior written consent of the indemnified party, effect any settlement of any pending or threatened proceeding in respect of which any indemnified party is or could have been a party and indemnity could have been sought hereunder by such indemnified party, unless such settlement (x) includes an unconditional release of such indemnified party from all liability on claims that are the subject matter of such proceeding and (y) does not include any statement as to or any admission of fault, culpability or a failure to act by or on behalf of any indemnified party.

(e) To the extent the indemnification provided for in Section 11(a) or 11(b) is unavailable to an indemnified party or insufficient in respect of any losses, claims, damages or liabilities referred to therein, then each indemnifying party under such paragraph, in lieu of indemnifying such indemnified party thereunder, shall contribute to the amount paid or payable by such indemnified party as a result of such losses, claims, damages or liabilities (i) in such proportion as is appropriate to reflect the relative benefits received by the Company and the Selling Shareholder on the one hand and the

Underwriter on the other hand from the offering of the Shares or (ii) if the allocation provided by clause 11(e) above is not permitted by applicable law, in such proportion as is appropriate to reflect not only the relative benefits referred to in clause 11(e) above but also the relative fault of the Company and the Selling Shareholder on the one hand and of the Underwriter on the other hand in connection with the statements or omissions that resulted in such losses, claims, damages or liabilities, as well as any other relevant equitable considerations. The relative benefits received by the Company and the Selling Shareholder on the one hand and the Underwriter on the other hand in connection with the offering of the Shares shall be deemed to be in the same respective proportions as the net proceeds from the offering of the Shares (before deducting expenses but after deducting underwriting discounts and commissions) received by the Company and the Selling Shareholder and the total underwriting discounts and commissions received by the Underwriter bear to the aggregate public offering price of the Shares set forth in the Prospectus. The relative fault of the Company and the Selling Shareholder on the one hand and the Underwriter on the other hand shall be determined by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information supplied by the Company and the Selling Shareholder or by the Underwriter and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. In no event shall the aggregate liability of the Selling Shareholder under this Section and Section 11(b) exceed the limit set forth in Section 11(b).

(f) The Company, the Selling Shareholder and the Underwriter agree that it would not be just or equitable if contribution pursuant to this Section 11 were determined by pro rata allocation (even if the Underwriter were treated as one entity for such purpose) or by any other method of allocation that does not take account of the equitable considerations referred to in Section 11(e). The amount paid or payable by an indemnified party as a result of the losses, claims, damages and liabilities referred to in Section 11(e) shall be deemed to include, subject to the limitations set forth above, any legal or other expenses reasonably incurred by such indemnified party in connection with investigating or defending any such action or claim. Notwithstanding the provisions of this Section 11, the Underwriter shall be required to contribute any amount in excess of the amount by which the total price at which the Shares underwritten by it and distributed to the public were offered to the public exceeds the amount of any damages that such Underwriter has otherwise been required to pay by reason of such untrue or alleged untrue statement or omission or alleged omission. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. The remedies provided for in this Section 11 are not exclusive and shall not limit any rights or remedies which may otherwise be available to any indemnified party at law or in equity.

(g) The indemnity and contribution provisions contained in this Section 11 and the representations, warranties and other statements of the Company and the Selling Shareholder contained in this Agreement shall remain operative and in full force and effect regardless of (i) any termination of this Agreement, (ii) any investigation made by or on behalf of the Underwriter, any person controlling the Underwriter or any affiliate of the Underwriter, the Selling Shareholder or any person controlling the Selling Shareholder, or by or on behalf of the Company, its officers or directors or any person controlling the Company and (iii) acceptance of and payment for any of the Shares.

12. Termination. The Underwriter may terminate this Agreement by notice given by you to the Company, if after the execution and delivery of this Agreement and prior to the Closing Date (i) trading generally shall have been suspended or materially limited on, or by, as the case may be, any of the New York Stock Exchange, the NYSE MKT, the NASDAQ Global Market, the Chicago Board of Options Exchange, the Chicago Mercantile Exchange or the Chicago Board of Trade or other relevant exchanges, (ii) trading of any securities of the Company shall have been suspended on any exchange or in any over-the-counter market, (iii) a material disruption in securities settlement, payment or clearance services in the United States or other relevant jurisdiction shall have occurred, (iv) any moratorium on commercial banking activities shall have been declared by Federal or New York State authorities or (v) there shall have occurred any outbreak or escalation of hostilities, or any change in financial markets or any calamity or crisis that, in your judgment, is material and adverse and which, singly or together with any other event specified in this clause (v), makes it, in your judgment, impracticable or inadvisable to proceed with the offer, sale or delivery of the Shares on the terms and in the manner contemplated in the Time of Sale Prospectus or the Prospectus.

13. Effectiveness. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto.

If this Agreement shall be terminated by the Underwriter because of any failure or refusal on the part of the Selling Shareholder or the Company to comply with the terms or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Selling Shareholder shall be unable to perform its obligations under this Agreement, the Company will reimburse the Underwriter with respect to themselves for all reasonable out-of-pocket expenses (including the reasonably incurred fees and disbursements of their counsel) incurred by the Underwriter in connection with this Agreement or the offering contemplated hereunder. If this agreement is terminated by reason of the default of the Underwriter, the Company shall not be obligated to reimburse the Underwriter for any such expenses.

14. Entire Agreement. (a) This Agreement, together with any contemporaneous written agreements and any prior written agreements (to the extent not superseded by this Agreement) that relate to the offering of the Shares, represents the entire agreement between the Company and the Selling Shareholder, on the one hand, and the Underwriter, on the other, with respect to the preparation of any preliminary prospectus, the Time of Sale Prospectus, the Prospectus, the conduct of the offering, and the purchase and sale of the Shares.

(b) The Company acknowledges that in connection with the offering of the Shares: (i) the Underwriter has acted at arm’s length, are not agents of, and owe no fiduciary duties to, the Company or any other person, (ii) the Underwriter owes the

Company only those duties and obligations set forth in this Agreement and prior written agreements (to the extent not superseded by this Agreement), if any, and (iii) the Underwriter may have interests that differ from those of the Company. The Company waives to the full extent permitted by applicable law any claims it may have against the Underwriter arising from an alleged breach of fiduciary duty in connection with the offering of the Shares.

15. Counterparts. This Agreement may be signed in two or more counterparts, each of which shall be an original, with the same effect as if the signatures thereto and hereto were upon the same instrument.

16. Applicable Law. This Agreement shall be governed by and construed in accordance with the internal laws of the State of New York.

17. Headings. The headings of the sections of this Agreement have been inserted for convenience of reference only and shall not be deemed a part of this Agreement.

18. Notices. All communications hereunder shall be in writing and effective only upon receipt and if to the Underwriter shall be delivered, mailed or sent to you at the address set forth in Schedule I hereto; and if to the Company shall be delivered, mailed or sent to the address set forth in Schedule I hereto.

[Signature Page Follows]


Very truly yours,

Fairmount Santrol Holdings Inc.

By:	/s/ Xxxxx X. Xxxxxxxx
	Name:	Xxxxx X. Xxxxxxxx
	Title:	SVP, General Counsel and Secretary

ASP FML Holdings, LLC

By: ASP Manager Corp., its manager

By:	/s/ Xxxx Xxxxxxxxx
	Name:	Xxxx Xxxxxxxxx
	Title:	Vice President


Accepted as of the date hereof

Xxxxxx Xxxxxxx & Co. LLC

By:	/s/ Xxxxxx Xxxxxxxxxx
	Name:	Xxxxxx Xxxxxxxxxx
	Title:	Managing Director

[Signature Page to Underwriting Agreement (2016) – Fairmount Santrol Holdings Inc.]

SCHEDULE I


Underwriter:
Underwriter authorized to release lock-up under Section 3:		Xxxxxx Xxxxxxx & Co. LLC
Underwriter authorized to appoint counsel under Section 11(d):		Xxxxxx Xxxxxxx & Co. LLC

Registration Statement File No.:		333-214867

Time of Sale Prospectus		1. Prospectus dated December 1, 2016 relating to the Shelf Shares 2. Free Writing Prospectus dated December 1, 2016 relating to the Shares 3. Price to the Public: $8.75 per share Number of Firm Shares: 20,000,000

Lock-up Restricted Period:		Period ending 60 days after the date of the Prospectus

Title of Shares to be purchased:		Common Stock, par value $0.01 per share

Total Number of Firm Shares:		20,000,000

Total Number of Additional Shares		3,000,000

Purchase Price:		$ 8.53750 per share

Selling Concession:		$0.05 per share

Closing Date and Time:		December 7, 2016, 10:00 am New York City time

Closing Location:		Xxxxxx & Xxxxxxx LLP 000 Xxxx Xx. Xxx. 0000 Xxxxxxx, XX 00000

Address for Notices to Underwriter:		Xxxxxx Xxxxxxx & Co. LLC Attention: Prospectus Department 000 Xxxxxx Xxxxxx, 0^xx xxxxx Xxx Xxxx, XX 00000

I-1


Address for Notices to the Company:		Fairmount Santrol Holdings Inc. 0000 Xxxxxxxx Xxxx Xxxxxxxxxxx, Xxxx 00000

Address for Notices to the Selling Shareholders		ASP FML Holdings, LLC c/o American Securities LLC 000 Xxxx Xxxxxx, 00^xx Xxxxx Xxx Xxxx, Xxx Xxxx 00000


Selling Shareholder	Number of Firm Shares		Number of Additional Shares

ASP FML Holdings, LLC		20,000,000		3,000,000

I-2

SCHEDULE II


Underwriter	Number of Firm Shares To Be Purchased
Xxxxxx Xxxxxxx & Co. LLC		20,000,000


Total:		20,000,000

II-1

SCHEDULE III

SUBSIDIARIES


Entity	Jurisdiction of Formation	Jurisdictions of Foreign Qualification

Fairmount Santrol Inc.	Delaware	Ohio, Texas

Technisand, Inc.	Delaware	Colorado, Ohio, Texas, Illinois, Michigan, Louisiana, Montana, Oklahoma, North Dakota and West Virginia

Wisconsin Industrial Sand Company, LLC	Delaware	Wisconsin

Wedron Silica Company	Ohio	Illinois and Colorado

FML Sand, LLC	Ohio	Missouri, Texas and Wisconsin

III-1

EXHIBIT A

[FORM OF LOCK-UP LETTER]

, 20

Xxxxxx Xxxxxxx & Co. LLC

0000 Xxxxxxxx

Xxx Xxxx, Xxx Xxxx 00000

Ladies and Gentlemen:

The undersigned understands that Xxxxxx Xxxxxxx & Co. (“Xxxxxx Xxxxxxx”) proposes to enter into an Underwriting Agreement (the “Underwriting Agreement”) with Fairmount Santrol Holdings Inc., a Delaware corporation (the “Company”), providing for the public offering (the “Public Offering”) by Xxxxxx Xxxxxxx & Co. LLC (the “Underwriter”), of 20,000,000 shares (the “Shares”) of the common stock, par value $0.01 per share of the Company (the “Common Stock”).

To induce the Underwriter that may participate in the Public Offering to continue their efforts in connection with the Public Offering, the undersigned hereby agrees that, without the prior written consent of Xxxxxx Xxxxxxx, it will not, during the period commencing on the date hereof and ending 60 days after the date of the final prospectus (the “Restricted Period”) relating to the Public Offering (the “Prospectus”), (1) offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase, lend, or otherwise transfer or dispose of, directly or indirectly, any shares of Common Stock beneficially owned (as such term is used in Rule 13d-3 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”)), by the undersigned or any other securities so owned convertible into or exercisable or exchangeable for Common Stock or (2) enter into any swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of the Common Stock, whether any such transaction described in clause (1) or (2) above is to be settled by delivery of Common Stock or such other securities, in cash or otherwise. The foregoing sentence shall not apply to (a) the Shares to be sold under the Underwriting Agreement), (b) transactions relating to shares of Common Stock or other securities acquired in open market transactions after the completion of the Public Offering, provided that no filing under Section 16(a) of the Exchange Act shall be required or shall be voluntarily made in connection with subsequent sales of Common Stock or other securities acquired in such open market transactions, (c) transfers of shares of Common Stock or any security convertible into Common Stock (i) to an immediate family member (defined as a person related to the undersigned by any relationship by blood, marriage, domestic partnership or adoption no more remote than a first cousin) of the undersigned, (ii) by will, other

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testamentary document or intestate succession, or (iii) as a bona fide gift, or (d) transfers or distributions of shares of Common Stock or any security convertible into Common Stock to affiliates of the undersigned, including current or former partners, members, managers stockholders or other principals (or to the estates of any of such persons) of the undersigned, or distributions or transfers of shares of Common Stock or any security convertible into Common Stock to a person or entity controlled by, controlling or under common control or management with the undersigned or to the partners, members, managers, stockholders or other principals of such person or entity (or to the estates of any of such persons); provided that in the case of any transfer or distribution pursuant to clause (c) or (d), (i) each donee, distributee or other transferee shall sign and deliver a lock-up letter substantially in the form of this letter and (ii) no filing under Section 16(a) of the Exchange Act, reporting a reduction in beneficial ownership of shares of Common Stock, shall be required or shall be voluntarily made during the Restricted Period (other than a Form 5 made when required or to the extent any such filing under Section 16(a) of the Exchange Act indicates that such transfer or distribution did not involve a disposition for value), (e) transfers to the Company of shares of Common Stock or any security convertible into or exercisable for Common Stock in connection with (i) the termination of service of an employee or other service provider pursuant to agreements that provide the Company with an option to repurchase such shares, or (ii) agreements that provide the Company with a right of first refusal with respect to transfers of such shares, provided that, in each case, no filing under Section 16(a) of the Exchange Act, reporting a reduction in beneficial ownership of shares of Common Stock, shall be required or shall be voluntarily made during the Restricted Period (other than a Form 5 made when required or to the extent any such filing under Section 16(a) of the Exchange Act indicates that such transfer or distribution did not involve a disposition for value), (f) shares of Common Stock or any security convertible into Common Stock withheld (or sold to) to the Company in connection with the exercise or vesting, as applicable, of options, warrants or other outstanding equity awards granted pursuant to the Company’s stock option/incentive plans or otherwise outstanding on the date hereof and disclosed in the prospectus or the exercise of such options or warrants on a “cashless” basis, including any such transfer for the purpose of satisfying any tax or other governmental withholding obligation; provided that (i) for any options that expire during the Restricted Period and in which case the Company is unable to transfer shares for the purposes of satisfying any tax or other governmental withholding obligation, the restrictions contained in this Lock-Up Letter shall not apply to shares sold for that purpose, and (ii) with the exception of share withholding or other transfers occurring pursuant to instructions delivered in advance of the date hereof or pursuant to the terms of equity plans or agreements, no filing under Section 16(a) of the Exchange Act, reporting a reduction in beneficial ownership of shares of Common Stock, shall be required or shall be voluntarily made during the Restricted Period (other than a Form 5 made when required or to the extent any such filing under Section 16(a) of the Exchange Act indicates that such transfer or distribution did not involve a disposition for value), (g) the exercise of warrants or the exercise of stock options granted pursuant to the Company’s stock option/incentive plans or otherwise outstanding on the date hereof; provided that the restrictions contained in this Lock-up Letter shall apply to the shares of Common Stock issued upon such exercise or conversion, (h) the transfer of shares of Common Stock or any security convertible

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into Common Stock that occurs by operation of law or by order of a court of competent jurisdiction pursuant to a qualified domestic order or in connection with a divorce settlement, provided that (i) no filing under Section 16(a) of the Exchange Act, reporting a reduction in beneficial ownership of shares of Common Stock, shall be required or shall be voluntarily made during the Restricted Period (other than a Form 5 made when required or to the extent any such filing under Section 16(a) of the Exchange Act indicates that such transfer or distribution did not involve a disposition for value) and (ii) any such receiving party shall, upon transfer of the Common Stock, agree to be bound by the terms of this Lock-Up Letter to the same extent as if the receiving party were a party hereto, (i) in the event of undue hardship, any transfer of shares after notice to, and with the prior written consent (not to be unreasonably withheld) of Xxxxxx Xxxxxxx, (j) any demands or requests for, the exercise of any right with respect to, or the taking of any action in preparation for, the registration by the Company under the Securities Act of 1933, as amended (the “Securities Act”) of the undersigned’s shares of Common Stock; provided that (i) no transfer of the undersigned’s shares of Common Stock registered pursuant to the exercise of any such right and no registration statement shall be filed under the Securities Act with respect to any of the undersigned’s shares of Common Stock during the Restricted Period and (ii) no public announcement of the demand or request shall be made prior to the expiration of the Restricted Period, (k) the establishment of a trading plan pursuant to Rule 10b5-1 under the Exchange Act for the transfer of shares of Common Stock, provided that (i) such plan does not provide for the transfer of Common Stock during the Restricted Period and (ii) to the extent a public announcement or filing under the Exchange Act, if any, is required of or voluntarily made by or on behalf of the undersigned or the Company regarding the establishment of such plan, such announcement or filing shall include a statement to the effect that no transfer of Common Stock may be made under such plan during the Restricted Period. The undersigned also agrees and consents to the entry of stop transfer instructions with the Company’s transfer agent and registrar against the transfer of the undersigned’s shares of Common Stock except in compliance with the foregoing restrictions.

The undersigned understands that the Company and the Underwriter is relying upon this agreement in proceeding toward consummation of the Public Offering. The undersigned further understands that this agreement is irrevocable and shall be binding upon the undersigned’s heirs, legal representatives, successors and assigns.

Whether or not the Public Offering actually occurs depends on a number of factors, including market conditions. Any Public Offering will only be made pursuant to an Underwriting Agreement, the terms of which are subject to negotiation between the Company and the Underwriter.

This letter agreement shall be governed by the laws of the State of New York.

This letter agreement shall lapse and become null and void upon the earlier to occur, if any, of (i) the date upon which the Company provides Xxxxxx Xxxxxxx with written notice that it does not intend to proceed with the Public Offering, provided that such written notice is delivered prior to the execution of the Underwriting Agreement and (ii) the date the Company files an application to withdraw the registration statement

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related to the offering, (iii) the date upon which the Underwriting Agreement (other than the provisions thereof which survive termination) is terminated, provided that such termination occurs prior to payment for and delivery of the Common Stock, and (iv) January 1, 2017 if the Public Offering has not been completed and the Underwriting Agreement has not been executed by such date.

[Signature Page Follows]

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IN WITNESS WHEREOF, the undersigned has executed this letter agreement effective as of the date first set forth above.

Very truly yours,

(Name)

(Address)

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FAIRMOUNT SANTROL HOLDINGS INC. COMMON STOCK, PAR VALUE $0.01 PER SHARE UNDERWRITING AGREEMENT

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